That gap between acknowledgement and explanation is itself a curious thing. Ireland has thousands of such enclosures, earthen or stone boundaries that once defined a dwelling, a farmstead, or a defended space, and many of them remain only partially understood even after decades of survey work. Carrowncalla's example is, for the moment, one of those sites that official cartography has caught up with before scholarship has had a chance to say much about it.

The townland name offers a small clue. Carrowncalla derives from the Irish, most likely a quarter-land designation of the kind common across Connacht and north Munster, though Clare sits at a linguistic boundary where such naming conventions blend. Enclosures in this part of Ireland range in date from the Bronze Age through to the early medieval period and beyond. The more substantial examples are sometimes called raths or ringforts, the latter being a term used loosely to describe a circular or roughly circular enclosed area, typically associated with early Christian-period farming settlements between roughly 500 and 1000 AD. Whether Carrowncalla's enclosure belongs to that tradition, or to something older or later, is precisely the kind of question that awaits fuller investigation.